ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(34), С. 44780 - 44790
Опубликована: Авг. 15, 2024
The
state-of-the-art
triboelectric
nanogenerator
(TENG)
technology
has
numerous
advantages
and
creates
new
prospects
for
the
rapid
development
of
Internet
Things
(IoT)
in
marine
environments.
Here,
to
accelerate
application
process
TENG,
an
elaborately
designed
multilayered
sleeve-structured
hybrid
(M-HNG)
is
developed
efficiently
persistently
harvest
energy.
M-HNG
integrates
electromagnetic
(EMG)
with
four
coils
a
TENG
(MS-TENG)
three
freestanding
layer
units
increase
spatial
utilization
efficiency.
Moreover,
rabbit
fur
strips
are
introduced
enhance
output
performance
strengthen
durability
TENG.
Therefore,
MS-TENG
high
due
its
soft-contact
structure,
maintaining
even
after
240,000
cycles.
When
1000
μF
capacitor
charged
by
utilizing
power
management
circuit
(PMC),
stored
energy
increased
from
2.62
mJ
140.11
mJ,
representing
significant
improvement
52-fold.
triggered
water
waves
successfully
powered
various
small
electronic
devices,
including
1200
LED
lights,
nine
thermo-hygrometers,
quality
testing
pen,
level
alarms.
proposed
effectively
harvests
low-frequency
wave
energy,
introducing
innovative
concept
constructing
enhanced
density
durability.
International Journal of Extreme Manufacturing,
Год журнала:
2024,
Номер
6(6), С. 062003 - 062003
Опубликована: Июль 20, 2024
Abstract
Triboelectric
nanogenerators
(TENGs)
stand
at
the
forefront
of
energy
harvesting
innovation,
transforming
mechanical
into
electrical
power
through
triboelectrification
and
electrostatic
induction.
This
groundbreaking
technology
addresses
urgent
need
for
sustainable
renewable
solutions,
opening
new
avenues
self-powered
systems.
Despite
their
potential,
TENGs
face
challenges
such
as
material
optimization
enhanced
triboelectric
effects,
scalability,
improving
conversion
efficiency
under
varied
conditions.
Durability
environmental
stability
also
pose
significant
hurdles,
necessitating
further
research
towards
more
resilient
Nature
inspired
TENG
designs
offer
promising
solutions
by
emulating
biological
processes
structures,
mechanisms
plants
textured
surfaces
animal
skins.
biomimetic
approach
has
led
to
notable
improvements
in
properties,
structural
designs,
overall
performance,
including
robustness.
The
exploration
bio-inspired
unlocked
possibilities
harvesting,
sensing,
wearable
electronics,
emphasizing
reduced
consumption
increased
innovative
design.
review
encapsulates
advancements
nature
TENGs,
highlighting
integration
principles
overcome
current
limitations.
By
focusing
on
augmented
biodegradability,
self-healing
capabilities,
pave
way
versatile
solutions.
Single-atom
catalysts
(SACs)
exhibit
remarkable
catalytic
activity
at
each
metal
site.
However,
conventionally
synthesized
single-atom
often
possess
low
loading,
thereby
constraining
their
overall
performance.
Here,
a
flame
spray
pyrolysis
(FSP)
method
for
the
synthesis
of
catalyst
with
high
loading
capacity
up
to
1.4
wt.%
in
practice
is
reported.
CeZrO
Nanoenergy Advances,
Год журнала:
2023,
Номер
3(4), С. 315 - 342
Опубликована: Окт. 16, 2023
Collecting
ambient
energy
to
power
various
wearable
electronics
is
considered
a
prospective
approach
addressing
their
consumption.
Mechanical
and
thermal
energies
are
abundantly
available
in
the
environment
can
be
efficiently
converted
into
electricity
based
on
different
physical
effects.
Hydrogel-based
harvesters
have
turned
out
promising
solution,
owing
unique
properties
including
flexibility
biocompatibility.
In
this
review,
we
provide
concise
overview
of
methods
achievements
hydrogel-based
harvesters,
triboelectric
nanogenerators,
piezoelectric
thermoelectric
generators,
demonstrating
applications
generation,
such
as
LED
lighting
capacitor
charging.
Furthermore,
specifically
focus
self-powered
wearables,
detecting
human
motion/respiration
states,
monitoring
joint
flexion,
promoting
wound
healing,
recording
temperature.
addition,
discuss
progress
sensing
by
hybridizing
multiple
conversion
field
wearables.
This
review
analyzes
for
devices,
with
aim
stimulating
ongoing
advancements
smart
sensors
intelligent
electronics.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
The
pursuit
of
sustainable
and
self‐sufficient
energy
solutions
has
become
critical
for
the
advancement
marine
Internet
Things
(IoT)
technologies.
While
triboelectric
nanogenerators
(TENGs)
have
shown
great
potential
in
harnessing
high‐entropy,
low‐frequency
wave
energy,
their
practical
applications
are
hindered
by
low
power
output
issues
related
to
frictional
wear.
Hence,
this
research
presents
a
novel
non‐contact
bidirectional
spinning
oscillating
float‐type
nanogenerator
(OF‐TENG)
efficient
harvesting.
Utilizing
planetary
gear
rotation
structural
design,
vertical
with
random
multi‐directional
conditions
can
be
converted
into
high‐frequency
rotational
energy.
At
frequency
0.5
Hz,
OF‐TENG
achieves
peak
93.48
mW,
an
average
volumetric
density
31.3
W
m⁻
3
.
Furthermore,
working
mode
ensures
robust
stability,
no
significant
performance
degradation
observed
after
5,680,000
cycles.
An
intelligent
self‐powered
ranching
system
automatic
feeding
water
quality
monitoring
is
further
developed
based
on
OF‐TENG.
This
work
not
only
provides
effective
solution
harvesting
but
also
promotes
development
smart
IoT
technologies
agriculture.
